Great article, I imagine that 2000 years ago those medical texts would have been invaluable . If you knew the secrets of life, good health and medicine you must have been very important , and maybe idolised ? Not so long ago, the 1980's, I can remember my Grandmother telling me that her doctor was never wrong , anything he said she believed. Now I not only question my doctor I also ask doctor google

Not actually true. Infant mortality was significantly higher then, and that tends to skew how most people understand the data. If you made it to five years old, your life expectancy was pretty close to what it is now: https://www.livescience.com/10569-human-lifespans-constant-2-000-years.html --Jaylemurph